Initial restyle of the gallery.

chrome/browser/resources/file_manager/js/photo/gallery.js

Index: chrome/browser/resources/file_manager/js/photo/gallery.js
diff --git a/chrome/browser/resources/file_manager/js/photo/gallery.js b/chrome/browser/resources/file_manager/js/photo/gallery.js
index c79765928a1cfcdd171066ed78b8f0bae20f4082..1e95b2861feeb0c9386fedb2f4f00402dc7f83a9 100644
--- a/chrome/browser/resources/file_manager/js/photo/gallery.js
+++ b/chrome/browser/resources/file_manager/js/photo/gallery.js
@@ -249,6 +249,7 @@ Gallery.prototype.initDom_ = function() {
   util.createChild(closeButton);
   closeButton.addEventListener('click', this.onClose_.bind(this));
 
+  this.header_ = util.createChild(this.container_, 'header tool dimmable');
   this.toolbar_ = util.createChild(this.container_, 'toolbar tool dimmable');
 
   this.filenameSpacer_ = util.createChild(this.toolbar_, 'filename-spacer');
@@ -310,6 +311,9 @@ Gallery.prototype.initDom_ = function() {
   this.selectionModel_.addEventListener('change', this.onSelection_.bind(this));
 
   this.slideMode_.addEventListener('useraction', this.onUserAction_.bind(this));
+
+  if (util.platform.newUI())
+    document.body.setAttribute('new-ui', '');
 };
 
 /**